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<?php
/**
* webtrees: online genealogy
* Copyright (C) 2022 webtrees development team
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace Fisharebest\Webtrees\Http\RequestHandlers;
use Fig\Http\Message\StatusCodeInterface;
use Fisharebest\Webtrees\FlashMessages;
use Fisharebest\Webtrees\I18N;
use Fisharebest\Webtrees\Log;
use Fisharebest\Webtrees\Services\EmailService;
use Fisharebest\Webtrees\Services\RateLimitService;
use Fisharebest\Webtrees\Services\UserService;
use Fisharebest\Webtrees\SiteUser;
use Fisharebest\Webtrees\Tree;
use Fisharebest\Webtrees\User;
use Fisharebest\Webtrees\Validator;
use Illuminate\Support\Str;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;
use function e;
use function random_int;
use function redirect;
use function route;
use function view;
/**
* Request a new password.
*/
class PasswordRequestAction implements RequestHandlerInterface, StatusCodeInterface
{
private const TOKEN_LENGTH = 40;
private const TOKEN_VALIDITY_SECONDS = 3600;
private const RATE_LIMIT_REQUESTS = 5;
private const RATE_LIMIT_SECONDS = 300;
private EmailService $email_service;
private RateLimitService $rate_limit_service;
private UserService $user_service;
/**
* PasswordRequestForm constructor.
*
* @param EmailService $email_service
* @param RateLimitService $rate_limit_service
* @param UserService $user_service
*/
public function __construct(
EmailService $email_service,
RateLimitService $rate_limit_service,
UserService $user_service
) {
$this->email_service = $email_service;
$this->rate_limit_service = $rate_limit_service;
$this->user_service = $user_service;
}
/**
* @param ServerRequestInterface $request
*
* @return ResponseInterface
*/
public function handle(ServerRequestInterface $request): ResponseInterface
{
$tree = Validator::attributes($request)->treeOptional();
$params = (array) $request->getParsedBody();
$email = $params['email'] ?? '';
$user = $this->user_service->findByEmail($email);
if ($user instanceof User) {
$this->rate_limit_service->limitRateForUser($user, self::RATE_LIMIT_REQUESTS, self::RATE_LIMIT_SECONDS, 'rate-limit-pw-reset');
$token = Str::random(self::TOKEN_LENGTH);
$expire = (string) (time() + self::TOKEN_VALIDITY_SECONDS);
$url = route(PasswordResetPage::class, [
'token' => $token,
'tree' => $tree instanceof Tree ? $tree->name() : null,
]);
$user->setPreference('password-token', $token);
$user->setPreference('password-token-expire', $expire);
$this->email_service->send(
new SiteUser(),
$user,
new SiteUser(),
I18N::translate('Request a new password'),
view('emails/password-request-text', ['url' => $url, 'user' => $user]),
view('emails/password-request-html', ['url' => $url, 'user' => $user])
);
Log::addAuthenticationLog('Password request for user: ' . $user->userName());
} else {
// Email takes a few seconds to send. An instant response would allow
// an attacker to use the speed of the response to infer whether an account exists.
usleep(random_int(500000, 2000000));
}
// For security, send a success message even when we fail.
$message1 = I18N::translate('A password reset link has been sent to “%s”.', e($email));
$message2 = I18N::translate('This link is valid for one hour.');
FlashMessages::addMessage($message1 . '<br>' . $message2, 'success');
return redirect(route(LoginPage::class, ['tree' => $tree instanceof Tree ? $tree->name() : null]));
}
}
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